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Finding the Fourth Proportional to 73,337.94, 100,817.28 and 63,091.58

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Solution

The fourth proportional to 73,337.94, 100,817.28 and 63,091.58 is: 86,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,337.94 : 100,817.28 = 63,091.58 : x
  2. Step 2: Convert to fraction form
    73,337.94/100,817.28 = 63,091.58/x
  3. Step 3: Cross multiply
    73,337.94x = 100,817.28 × 63,091.58
  4. Step 4: Simplify right side
    73,337.94x = 6,360,720,982.42
  5. Step 5: Solve for x
    x = 6,360,720,982.42/73,337.94
  6. Step 6: Final answer
    x = 86,731.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.